metal angle bead的用法和樣例：
例句
- The curve plotted in this way would meet the boundary conditions given and all the polar curves embodied the same wrapping angle.
這一方法不僅保證了繪制的型線(xiàn)有給定的邊界條件，同時(shí)保證了各型線(xiàn)有相等的包角。 - The cross air blow of spinning equipment, the spinning pack and the improvement of winding angle in take-up equipment were emphatically analysed.
重點(diǎn)分析了紡絲設備的側吹風(fēng)，紡絲組件以及在卷繞設備上卷繞包角上的改進(jìn)。
